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AgEn y2 genetics1
AgEn y2 genetics1 a history of discoveries
Question | Answer |
---|---|
DNA | genetic material found on chromosomes in eukaryotic organisms |
genome | all of an organisms chromosomes and DNA |
Darwin | The Origin of the Species |
Mendel | Experiments on peas |
Miescher | first to isolate a nucleic acid from a blood cell |
Flemming | identified chromatin in cell nuclei and linked it to cell division |
Morgan | Genes are located on chromosomes |
Avery, McLeod and McCarty | DNA is genetic material |
Franklin | showed X ray crystal image of DNA |
Watson and Crick | DNA is a double helix..also proposed a mechanism for its replication |
Crick,Brenner,Nirenberg,Khorana and Holley | cracked genetic code....a nucleic acid is translated into a protein...this is gene expression |
Berg,Boyer and Cohen | first genetic engineering experiments |
Sanger | discovered the chain termination method for DNA sequencing |
Kary Mullis | Invented PCR to amplify DNA |